Home / 851,627.04-1,175,222.16-469,646.88

Finding the Fourth Proportional to 851,627.04, 1,175,222.16 and 469,646.88

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Solution

The fourth proportional to 851,627.04, 1,175,222.16 and 469,646.88 is: 648,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,627.04 : 1,175,222.16 = 469,646.88 : x
  2. Step 2: Convert to fraction form
    851,627.04/1,175,222.16 = 469,646.88/x
  3. Step 3: Cross multiply
    851,627.04x = 1,175,222.16 × 469,646.88
  4. Step 4: Simplify right side
    851,627.04x = 551,939,420,750.86
  5. Step 5: Solve for x
    x = 551,939,420,750.86/851,627.04
  6. Step 6: Final answer
    x = 648,099.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.